:root{--color-primary: #2546BC;--color-primary-light: #4B6AD9;--color-primary-dark: #1A3299;--color-bg: #F8F9FC;--color-surface: #FFFFFF;--color-surface-elevated: #FFFFFF;--color-border: #E5E7EB;--color-border-light: #F3F4F6;--color-text-primary: #111827;--color-text-secondary: #6B7280;--color-text-tertiary: #9CA3AF;--color-text-inverse: #FFFFFF;--color-success: #10B981;--color-success-bg: #D1FAE5;--color-warning: #F59E0B;--color-warning-bg: #FEF3C7;--color-error: #EF4444;--color-error-bg: #FEE2E2;--color-info: #3B82F6;--color-info-bg: #DBEAFE;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);--sidebar-width: 260px;--sidebar-collapsed-width: 72px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--color-bg);color:var(--color-text-primary);line-height:1.5;min-height:100vh}#root{min-height:100vh}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;transition:all var(--transition-fast)}button:disabled{cursor:not-allowed;opacity:.5}input,textarea,select{font-family:inherit;font-size:inherit;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-sm) var(--spacing-md);background-color:var(--color-surface);color:var(--color-text-primary);transition:all var(--transition-fast);outline:none}input:focus,textarea:focus,select:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #2546bc1a}input::placeholder,textarea::placeholder{color:var(--color-text-tertiary)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:var(--spacing-md)}.card{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--color-border-light)}.card-header{padding:var(--spacing-lg);border-bottom:1px solid var(--color-border-light)}.card-body{padding:var(--spacing-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);font-size:.875rem;font-weight:500;border-radius:var(--radius-md);transition:all var(--transition-fast);white-space:nowrap}.btn-primary{background:var(--color-primary);color:var(--color-text-inverse)}.btn-primary:hover{background:var(--color-primary-dark)}.btn-secondary{background:var(--color-surface);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg)}.btn-danger{background:var(--color-error);color:var(--color-text-inverse)}.btn-danger:hover{background:#dc2626}.btn-ghost{background:transparent;color:var(--color-text-secondary)}.btn-ghost:hover{background:var(--color-bg);color:var(--color-text-primary)}.btn-sm{padding:var(--spacing-xs) var(--spacing-sm);font-size:.75rem}.btn-lg{padding:var(--spacing-md) var(--spacing-lg);font-size:1rem}.badge{display:inline-flex;align-items:center;padding:2px 8px;font-size:.75rem;font-weight:500;border-radius:var(--radius-full)}.badge-success{background:var(--color-success-bg);color:var(--color-success)}.badge-warning{background:var(--color-warning-bg);color:var(--color-warning)}.badge-error{background:var(--color-error-bg);color:var(--color-error)}.badge-info{background:var(--color-info-bg);color:var(--color-info)}.badge-neutral{background:var(--color-bg);color:var(--color-text-secondary)}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;font-size:.875rem;font-weight:500;color:var(--color-text-secondary);margin-bottom:var(--spacing-sm)}.form-input{width:100%;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:.875rem}.data-table{width:100%}.data-table th{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-secondary);background:var(--color-bg);padding:var(--spacing-md);border-bottom:1px solid var(--color-border)}.data-table td{padding:var(--spacing-md);border-bottom:1px solid var(--color-border-light);font-size:.875rem}.data-table tr:hover td{background:var(--color-bg)}.pagination{display:flex;align-items:center;gap:var(--spacing-sm)}.pagination-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);font-size:.875rem;color:var(--color-text-secondary);background:var(--color-surface);border:1px solid var(--color-border)}.pagination-btn:hover{background:var(--color-bg)}.pagination-btn.active{background:var(--color-primary);color:var(--color-text-inverse);border-color:var(--color-primary)}.avatar{width:40px;height:40px;border-radius:var(--radius-full);object-fit:cover;background:var(--color-bg)}.avatar-sm{width:32px;height:32px}.avatar-lg{width:56px;height:56px}.avatar-xl{width:80px;height:80px}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-2xl);text-align:center;color:var(--color-text-tertiary)}.empty-state-icon{width:64px;height:64px;margin-bottom:var(--spacing-md);opacity:.5}.loading-spinner{width:24px;height:24px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInFromRight{0%{transform:translate(20px);opacity:0}to{transform:translate(0);opacity:1}}@keyframes slideInFromBottom{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}.animate-fade-in{animation:fadeIn var(--transition-normal)}.animate-slide-in{animation:slideInFromRight var(--transition-normal)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-tertiary)}.text-primary{color:var(--color-primary)}.text-secondary{color:var(--color-text-secondary)}.text-success{color:var(--color-success)}.text-warning{color:var(--color-warning)}.text-error{color:var(--color-error)}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.text-xs{font-size:.75rem}.text-sm{font-size:.875rem}.text-base{font-size:1rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.text-2xl{font-size:1.5rem}.text-3xl{font-size:1.875rem}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}